/**
 * Copyright 2024 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { Title } from '@angular/platform-browser';
import { RouterStateSnapshot, TitleStrategy } from '@angular/router';
import { Injectable, inject } from '@angular/core';

/**
 * Control the window title regarding routing paths
 */
@Injectable()
export class KHITitleStrategy extends TitleStrategy {
  private readonly title = inject(Title);

  override updateTitle(snapshot: RouterStateSnapshot): void {
    const sessionId = snapshot.root.firstChild?.params['sessionId'];
    const baseTitle = this.buildTitle(snapshot) ?? '';
    if (typeof sessionId === 'string') {
      this.title.setTitle(`${baseTitle} (${sessionId})`);
    } else {
      this.title.setTitle(baseTitle);
    }
  }
}
